Optigal's Introduction to Basic Optical Principles
Unlock your potential with this indispensable exam prep textbook, crafted by an experienced optician specifically for aspiring opticians. This clear and engaging guide makes complex topics accessible, expertly linking everyday tasks to the concepts tested on the National Opticianry Certification Exam offered by the American Board of Opticianry. More than a simple review book, it serves as a powerful training manual that transforms your understanding of prism, Prentice's Rule, lensometry, and countless other crucial subjects ensuring you approach your exam with confidence and ease.
Unlock your potential with this indispensable exam prep textbook, crafted by an experienced optician specifically for aspiring opticians. This clear and engaging guide makes complex topics accessible, expertly linking everyday tasks to the concepts tested on the National Opticianry Certification Exam offered by the American Board of Opticianry. More than a simple review book, it serves as a powerful training manual that transforms your understanding of prism, Prentice's Rule, lensometry, and countless other crucial subjects ensuring you approach your exam with confidence and ease.
Unlock your potential with this indispensable exam prep textbook, crafted by an experienced optician specifically for aspiring opticians. This clear and engaging guide makes complex topics accessible, expertly linking everyday tasks to the concepts tested on the National Opticianry Certification Exam offered by the American Board of Opticianry. More than a simple review book, it serves as a powerful training manual that transforms your understanding of prism, Prentice's Rule, lensometry, and countless other crucial subjects ensuring you approach your exam with confidence and ease.
Table of Contents
Chapter 1 Basic Anatomy and Physiology 5
Major Ocular Structures 5
Refractive Errors 9
Common Conditions 13
Eye Diseases 15
Chapter 2 Optical Principles 21
The Metric System 21
Light Theory 22
Light and the Electromagnetic Spectrum 24
Pathways of Light 26
Lens Anatomy 32
Chapter 3 Lens Curves 40
Lens Curves 40
Sphere 40
Toric Lenses 41
Lens Curves and Meridians 42
Aberrations 48
Chapter 4 54
Properties of Lens Materials 54
Lens Materials 55
CR-39 56
Lens Coatings and Enhancements 58
Tint 59
Color Benefits 60
Photochromic Lenses 62
Polarized Lenses 63
Mirror Coating 65
Anti-Reflective Coating 65
Chapter 5 Lens Design 71
Aspheric 71
Atoric 71
Asphericity in Other Lens Designs 72
Free Form 73
Multifocal Lenses 73
Occupational and Specialty Lenses 77
Safety Lenses 80
Aphakic and Lenticular Lenses 80
Slab-Off and Reverse Slab-Off 82
Chapter 6 Ophthalmic Frames 86
Frame Styles 86
Frame Parts 88
Bridge Styles 89
Nosepads 91
End Piece Design 92
Temples 92
Frame Materials 94
Frame Measurements 100
Frame Selection 104
MBS= 2(dec) + ED + 2 110
Frame Alignment 116
Adjusting the Frame for the Patient 119
Chapter 7 Instrumentation 133
Common Hand Tools 133
Small Lab Equipment 141
Lensometer, Lens Meter, Focimeter 144
Chapter 8 Regulatory Agencies, Professional Organizations, and Standards
160
Regulatory Agencies 160
Ophthalmic Professions and Duties 161
Professional Organizations 165
Standards 167
FDA Guidelines for Dress Drop-Ball Testing Glass Lenses 172
Formulas 176
Glossary 178
Dispensing Optician Job Analysis 185
ABO Test Specifications 191
Answer Keys 192